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titrimetric determination

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  • Food guide pyramid — A food guide pyramid is a triangular or pyramid shaped nutrition guide divided into sections to show the recommended intake for each food group. The first food pyramid was published in Sweden in 1974.[citation needed] The most widely known food… …   Wikipedia

  • Thermometric titration — titration systems have pre dominated in this area since the 1970 s. With the advent of cheap computers able to handle the powerful thermometric titration software, development has now reached the stage where easy to use automated thermometric… …   Wikipedia

  • analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

  • Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …   Wikipedia

  • Constante de disociación ácida — El ácido acético, un ácido débil puede perder un protón (destacado en verde) y donarlo a una molécula de agua, H20, dando lugar a un anión acetato CH3COO y creando un catión hidronio …   Wikipedia Español

  • Chemical oxygen demand — In environmental chemistry, the chemical oxygen demand (COD) test is commonly used to indirectly measure the amount of organic compounds in water. Most applications of COD determine the amount of organic pollutants found in surface water (e.g.… …   Wikipedia

  • volumetric analysis — Chem. 1. determination of the concentration, by volume, of a substance in a solution, as by titration. 2. determination of the volume of gases or changes in their volume during combination. Cf. gravimetric analysis. [1860 65] * * * ▪ chemistry… …   Universalium

  • Environmental chemistry — is the scientific study of the chemical and biochemical phenomena that occur in natural places. It should not be confused with green chemistry, which seeks to reduce potential pollution at its source. It can be defined as the study of the sources …   Wikipedia

  • quantitative chemical analysis — ▪ chemistry       branch of chemistry that deals with the determination of the amount or percentage of one or more constituents of a sample. A variety of methods is employed for quantitative analyses, which for convenience may be broadly… …   Universalium

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